lol, the diff will help no end mate plus there are always other things you can get to help like an anti lift kit ( although some people think they are pointless) etc i imagine the 2 wheels will be fine, there is a few people around putting big power through the front and they manage to cope plus its about how you put the power down anyway ;) lol i bet you cant wait bud, i get excited when i get her back after a week let alone 4 months! and she will be an animal when you get her back